<span>ax^2+bx+c
x^2-4x+3
(x-3)(x-1)=0
x=3, x=1 when y=0
The graph of the parabola has a minimum because a is positive.
(3+1)/2=2 so y will be at a minimum when x=2
f(x)=y=2^2-(4*2)+3
=4-8+3</span>
Answer:
2
Step-by-step explanation:
<h2>
Answer:</h2>
The height of the box is:
4 ft.
<h2>
Step-by-step explanation:</h2>
Let "h" denotes the height of the box.
Length of box is denoted by "l"
and breadth or width of box is denoted by "b"
We are given l=18 ft
b=8 ft.
Also we are given surface area of rectangular box= 496 ft²
As we know that the surface area of box is given by:

i.e.

Divide both side by 2.

on dividing both side by 26 we get:

Hence, the height of the box is:
4 ft.
Answer:
$24 sold
Step-by-step explanation:
Omar sold 4
(4x6=24)
Debra sold 3
(3x8=24)
She threw the ball 84 inches